Nut and thread protector

Details Nut and thread protector Nut and thread protector

1980-07-14

1983-08-23

Britts, Ramon S.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Headed fastener element with nut, washer, securing means or cap

Cap over the head

116270, 184 1R, 184 1C, 184103R, F16B 3714

Patent

active

044001231

ABSTRACT:
Methods and apparatus are provided for protecting nuts and protruding threads of bolts from corrosion and damage. A cup-shaped cap is provided for sealingly enclosing the exposed threads. A suitable protecting fluid may be introduced through a charging port, and an expandable bladder protruding from the side of the cap indicates that the cap is maintaining the protective fluid under pressure. A nut cover is slidably mounted to the cap, and serves to protect the nut from the environment.

REFERENCES:
patent: 1254514 (1918-01-01), Lehmann
patent: 1450583 (1923-03-01), Ferry
patent: 1630584 (1927-05-01), Schneider
patent: 2456234 (1948-12-01), Young
patent: 2924876 (1960-02-01), Lewis
patent: 3703879 (1972-11-01), Huthsing, Jr.
patent: 3983958 (1976-10-01), Swearingen
patent: 4114702 (1978-09-01), Maurer et al.

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